Tsepinite-Ca,(Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2*4H2O, a new mineral of the labuntsovite group from the Khibiny alkaline massif, Kola peninsula - novel disordered sites in the vuoriyarvite-type structure Locality: Lovchorrite mine, Hackman Valley, Yukspor Mountian, Khibiny massif, Kola Peninsula, Russia
Authors of publication
Pekov, I. V.; Chukanov, N. V.; Ferraris, G.; Gula, A.; Pushcharovsky, D. Y.; Zadov, A. E.